| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,191 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,098 |
| Countries with Megacities | 0 | - | 4.99 | 261,082 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,954 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,031 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,231 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,049 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,634 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,814 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,581 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,476 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,710 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,297 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,395 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,954 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,708 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,277 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,432 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,950 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,514 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,265 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,746 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,001 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,191 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,840 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,796 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,134 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,103 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,568 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,180 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,456 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,106 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,816 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,948 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,523 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,580 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,085 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,673 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,775 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,366 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,076 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,148 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,327 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,612 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,039 |
| Biggest Cities in the World | 0 | - | 4.91 | 797,041 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,344 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,436 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,544 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,756 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,568 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,043 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,325 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,990 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,041 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,472 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,260 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,551 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,727 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,822 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 62,656 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,422 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,924 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,639 |
| Olympic Host Countries | 0 | - | 4.98 | 200,456 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,664 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,917 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 308,300 |
| The Only European Country ... | 0 | - | 4.91 | 216,117 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,856 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,850 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,596 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,624 |
| Biggest Cities in the United States | 0 | - | 4.94 | 976,123 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,639 |
| Countries of Africa | 0 | - | 5.00 | 2,531,528 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,807 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,224 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,095 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,082 |
| Largest City by Island | 0 | - | 4.87 | 71,717 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,814 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,722 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,287 |
| Megacities on a World Map | 0 | - | 4.98 | 253,585 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,210 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,237 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,747 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,296 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,120 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,714 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,270 |
| Countries of the Middle East | 0 | - | 4.96 | 200,839 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,065 |
| Slavic Countries | 0 | - | 4.96 | 111,526 |
| African Island Countries | 0 | - | 4.96 | 101,475 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,813 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,859 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 46,677 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,021,057 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,702 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,331 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,253 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,927 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,730 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,480 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,581 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,532 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,120 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,024 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,437 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,061 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,004 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,852 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,132 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,990 |
| Boundary Waters | 0 | - | 4.92 | 88,389 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,099 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,940 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,220 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,361 |
| Most Populous Islands | 0 | - | 4.80 | 122,821 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,282 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,510 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,745 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,936 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,700 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,913 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,915 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,162 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,830 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 12,745 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,337 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,767 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,103 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,978 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,966 |
| Monarchies of Europe | 0 | - | 4.90 | 97,991 |
| Monarchies of Asia | 0 | - | 4.97 | 71,005 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,289 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,792 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,421 |
| Countries that Start with A | 0 | - | 4.98 | 2,159,556 |
| Countries that Start with B | 0 | - | 4.95 | 2,291,486 |
| Countries that Start with C | 0 | - | 4.96 | 1,819,689 |
| Countries that Start with D | 0 | - | 4.96 | 707,957 |
| Countries that Start with E | 0 | - | 4.95 | 1,375,248 |
| Countries that Start with G | 0 | - | 4.97 | 1,500,929 |
| Countries that Start with H | 0 | - | 4.96 | 603,391 |
| Countries that Start with I | 0 | - | 4.92 | 1,286,476 |
| Countries that Start with J | 0 | - | 4.98 | 601,209 |
| Countries that Start with K | 0 | - | 4.97 | 814,541 |
| Countries that Start with L | 0 | - | 4.98 | 1,089,221 |
| Countries that Start with N | 0 | - | 4.93 | 1,116,190 |
| Countries that Start with P | 0 | - | 4.94 | 1,214,671 |
| Countries that Start with S | 0 | - | 4.98 | 1,752,785 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,709 |
| Countries that Start with U | 0 | - | 4.97 | 903,555 |
| Countries that Start with V | 0 | - | 4.98 | 608,586 |
| Countries that Start with F | 0 | - | 4.83 | 616,524 |
| Countries that Start with M | 0 | - | 4.97 | 1,379,979 |
| The Only African Country ... | 0 | - | 4.99 | 128,981 |
| The Only American Country ... | 0 | - | 4.92 | 121,444 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,078 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,687 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,715 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,305 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,816 |
| European Countries with One Border | 0 | - | 4.97 | 182,565 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,377 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,035 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,351,282 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,428 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,052 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,926 |
| Biggest City by Region | 0 | - | 4.50 | 36,130 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,061 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,812 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,428 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,980 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,562 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,159 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,333 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,176 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,035 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,377 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,049 |
| Landlocked Countries | 0 | - | 4.99 | 419,198 |
| UK Immigration by Country | 0 | - | 4.94 | 140,732 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,774 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,799 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,410 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,305 |
| Central American Countries | 0 | - | 4.98 | 155,968 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,369 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,791 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,210 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,076 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,496 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,299 |
